On January 4, the maleic anhydride market in Jiangsu region experienced a slight increase. The ex-factory price for solid maleic anhydride was around 4,850 yuan per ton, while the ex-factory price for liquid maleic anhydride was around 4,800 yuan per ton. The transaction price in the East China auction rose by 40 yuan per ton, and the surrounding liquid maleic anhydride market also saw a slight uptick. Downstream buyers remained cautious and adopted a wait-and-see approach.